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Life Science Test Review - Part 3
Test Description: Life Science test review - part 3
Instructions: Answer all questions to get your test result.
1) What type of organisms do all food chains/food webs begin with and depend on for survival?
A
animals
B
plants
C
mushrooms
D
bacteria
2) In a food chain/food web, what is the source of energy for plants?
A
animals
B
sun
C
mushrooms
D
bacteria
3) If the rabbit population increases, what would happen to the grass population?
A
it will go up because there are more rabbits eating grass
B
it will stay the same
C
It will go down because there are more rabbits eating grass
4) Which of the following is a way that trees can be beneficial (helpful) to birds?
A
it takes away their habitat
B
it gives the birds a place to build their nests
C
it gives the prey of the birds a place to hide out
D
it gives the predator of the birds a place to hide out
5) Which of the following is a beneficial way humans affect the environment?
A
wasting energy
B
dumping trash
C
cutting down trees
D
planting trees
6) Which of the following is a harmful way humans affect the environment?
A
dumping trash
B
conserving energy
C
picking up trash
D
planting trees
7) If too many trees were cut down in your city, which of the following could happen?
A
there would be more birds because more food was available
B
there would be fewer birds in the city because of the loss of their habitat
C
there would be fewer birds in the city because more food was available
D
there would be more birds in the city because of the loss of their habitat
8) Which of the following is NOT a reason why boating on a lake can be harmful to the environment?
A
there would be fewer fish because the boats killed the fish eggs
B
there would pollution from the boats`
C
it can provide awareness of the species present in the lake
D
there would be fewer larger aquatic animals becuase there are fewer fish
9) When replacing plants that have been removed or destroyed from the environment, why is it important to replace the plants with the same species?
A
to make the area look even prettier than before
B
it is not important to replace them with the same species
C
to keep the new plants from taking over and causing more competition for resources
D
to give the animals that live there a variety of things to eat
10) Which of the following is not an organism found in the desert?
A
scorpion
B
dolphin
C
rattlesnake
D
cactus
*select an answer for all questions
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